KR100381613B1 - Burr removing method and apparatus - Google Patents

Burr removing method and apparatus Download PDF

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Publication number
KR100381613B1
KR100381613B1 KR10-2000-7005023A KR20007005023A KR100381613B1 KR 100381613 B1 KR100381613 B1 KR 100381613B1 KR 20007005023 A KR20007005023 A KR 20007005023A KR 100381613 B1 KR100381613 B1 KR 100381613B1
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KR
South Korea
Prior art keywords
burr
cutting edge
cutting
steel
steel piece
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KR10-2000-7005023A
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Korean (ko)
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KR20010031921A (en
Inventor
야마시타코지
하야시히로마사
오카와스스무
오쿠시마코지
Original Assignee
닛폰 고칸 가부시키가이샤
스틸플랜테크가부시키가이샤
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Priority to JP33233898 priority Critical
Priority to JP98-332338 priority
Priority to JP36384398 priority
Priority to JP98-363843 priority
Application filed by 닛폰 고칸 가부시키가이샤, 스틸플랜테크가부시키가이샤 filed Critical 닛폰 고칸 가부시키가이샤
Publication of KR20010031921A publication Critical patent/KR20010031921A/en
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Publication of KR100381613B1 publication Critical patent/KR100381613B1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D79/00Methods, machines, or devices not covered elsewhere, for working metal by removal of material
    • B23D79/02Machines or devices for scraping
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23CMILLING
    • B23C3/00Milling particular work; Special milling operations; Machines therefor
    • B23C3/12Trimming or finishing edges, e.g. deburring welded corners
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D37/00Broaching machines or broaching devices
    • B23D37/08Broaching machines with vertically-arranged working tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K37/00Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
    • B23K37/08Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for flash removal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B15/00Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0007Cutting or shearing the product
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B15/00Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B15/0085Joining ends of material to continuous strip, bar or sheet
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B2220/00Details of turning, boring or drilling processes
    • B23B2220/08Deburring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/16Bands or sheets of indefinite length
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/30Milling
    • Y10T409/303752Process
    • Y10T409/303808Process including infeeding
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/30Milling
    • Y10T409/304144Means to trim edge
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/30Milling
    • Y10T409/3042Means to remove scale or raised surface imperfection
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/30Milling
    • Y10T409/3042Means to remove scale or raised surface imperfection
    • Y10T409/304256Means to remove flash or burr
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/30Milling
    • Y10T409/306664Milling including means to infeed rotary cutter toward work
    • Y10T409/307784Plural cutters
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/50Planing
    • Y10T409/50082Process
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/50Planing
    • Y10T409/501476Means to remove flash or burr
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/50Planing
    • Y10T409/501476Means to remove flash or burr
    • Y10T409/50164Elongated work
    • Y10T409/501968Transverse burr
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/50Planing
    • Y10T409/501476Means to remove flash or burr
    • Y10T409/502132Flat work
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00Gear cutting, milling, or planing
    • Y10T409/50Planing
    • Y10T409/509348Tool head
    • Y10T409/509512Tool head with selectively usable cutting edges
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/02Other than completely through work thickness
    • Y10T83/0259Edge trimming [e.g., chamfering, etc.]

Abstract

본 발명은 절삭날을 절삭날의 벗어나는 면(이탈면)이 버어가 있는 강판의 면에 거의 평행이고 절삭날의 절삭엣지와 버어가 교차하는 강편단부와 이루는 각이 45°이상으로 되도록 배치하고, 버어의 길이방향에 따라 강편의 외측으로 향하도록 상대이동시킨다든가, 절삭날의 벗어나는 면이 버어가 있는 강편의 면에 거의 평행이고, 절삭날의 절삭엣지와 버어가 교차하는 강편단부와 이루는 각이 90°이하가 되도록 배치하고, 버어가 길이방향으로 직교하도록 상대이동시켜서 강편단부에 있는 버어를 절삭하는 버어제거방법 및 그 장치이다. 본 발명은 빌렛등의 연속압연시에 형성되는 용접버어 등의 버어를, 변형 발생없이 절삭할 수 있다.The present invention is arranged so that the cutting edge of the cutting edge is substantially parallel to the surface of the steel sheet with the burr, and the angle formed by the cutting edge of the cutting edge and the steel end portion where the burrs intersect is 45 ° or more, The relative movement of the cutting edge toward the outside of the steel piece along the longitudinal direction of the burr, or the outward side of the cutting edge is almost parallel to the surface of the burring steel piece, and the angle between the cutting edge of the cutting edge and the steel end portion where the bur intersects A burr removing method and apparatus for arranging the burr at the end of a steel piece by arranging it so that it may be 90 degrees or less, and making a relative movement so that a burr may orthogonally cross in a longitudinal direction. Industrial Applicability The present invention can cut burrs such as weld burrs formed during continuous rolling of billets or the like without deformation.

Description

버어제거방법 및 장치{BURR REMOVING METHOD AND APPARATUS}Burr Removal Method and Apparatus {BURR REMOVING METHOD AND APPARATUS}
종래의 강재의 압연 라인에 있어서는 빌렛등의 강편이 하나하나 압연되어 제품화 되고 있다. 최근 강편의 전,후단부의 절단에 의한 원료소비율 저하를 방지함과 동시, 생산성향상을 도모하기 위한, 예를들면 일본특개소(特開昭)52-43754호 공보, 일본특개소(特開昭)58-151971호 공보, 일본특개소(特開昭)61-30287호 공보등에는 가열로에서 추출한 복수의 빌렛등의 강편을 후랏슈바트 용접해서 연속압연하는 방법이 제안되어 있다.In the conventional rolling line of steel, steel strips, such as a billet, are rolled one by one and commercialized. For example, Japanese Patent Application Laid-Open No. 52-43754, Japanese Patent Application Laid-Open to prevent the raw material consumption from being lowered by cutting the front and rear ends of the steel sheet and to improve productivity. Japanese Patent Laid-Open Publication No. 58-151971 and Japanese Laid-Open Patent Publication No. 61-30287 propose a method of continuous rolling of steel slabs of a plurality of billets extracted from a heating furnace by flush welding.
후랏슈바트 용접에 의해 접합된 강편의 용접부에는, 후랏슈나 가압에 의해 용접버어가 형성된다. 이 용접버어는 비교적 크기 때문에 그후의 압연시에 흠을 발생하고 원료 소비율 저하를 초래하기도 하고, 선재등의 압연으로는 압연중의 파단을 초래할 경우도 있다. 그 때문에 이러한 용접버어는 압연전에 완전히 제거될 필요가 있다.A welding burr is formed in the welded portion of the steel piece joined by the flush welding, by flushing or pressing. Since this welding burr is relatively large, it may cause flaws during subsequent rolling and lower raw material consumption rates, and in rolling, such as wire rod, may cause breakage during rolling. Therefore, such a welding burr needs to be completely removed before rolling.
일본특개소(特開昭)51-42040호 공보, 일본특개소(特開昭)53-147649호 공보, 일본특개평(特開平)4-178273호 공보등에는 후랏슈버트(맞대기 용접)용접기용 버어 제거장치가 개시되어 있으나 어느것도 용접버어를 절삭저항이 적은 용접직후에 절삭할 수 있도록 용접기 본체와 강편의 이동대차와의 사이에 고정된 절삭날로 절삭하는 고정날 방식에 의한 버어제거장치가 구성되어져 있다.Flush Schutz welders are available in Japanese Patent Laid-Open No. 51-42040, Japanese Patent Laid-Open No. 53-147649, and Japanese Patent Laid-Open No. 4-178273. Although a burr removing device is disclosed, none of the burrs using a fixed blade method for cutting the welding burr with a cutting blade fixed between the welder body and the moving bogie of the steel piece so that the welding burr can be cut immediately after welding with low cutting resistance. Is composed.
또한 일본실개소(室開昭)59-176711호 공보나 일본실개소(室開昭)61-199312호 공보등에는 강편단부의 버어를 제거할 때 회전하는 원형 절삭엣지(Edge)를 눌러 맞대어 절삭하는 회전날 방식이 개시되어져 있다.In addition, Japanese Laid-Open Publication No. 59-176711 or Japanese Laid-Open Publication No. 61-199312 press the circular cutting edge which rotates to remove the burr at the end of the steel. The rotary blade system to disclose is disclosed.
그러나 이러한 고정날방식, 회전날방식 어느 버어제거방법에 있어서도 도 1에 나타낸 것처럼 강편(1)에 형성된 버어를 절삭날(5)을 이용하여 버어에 따라 절삭하면 절삭된 버어(3)는 절삭층으로서 강편(1)의 바깥으로 제거되나 강편(1)의 단(端)부에는 변형(4)이 발생하고 그후의 압연시에 위에서 기술한 것처럼 원료소비율 저하등의 문제를 일으킨다.However, in either of the fixed blade method and the rotary blade method, as shown in FIG. 1, when the burr formed on the steel piece 1 is cut along the burr using the cutting blade 5, the burr 3 cut is cut. As a layer is removed to the outside of the steel sheet 1, but the deformation (4) occurs in the end portion of the steel sheet 1, causing problems such as lowering the raw material consumption rate as described above during subsequent rolling.
본 발명은 예를들면 강봉등의 연속압연시에 있어 빌렛을 맞대어 용접할때에 형성되는 용접버어등을 제거하기 위한 버어제거방법 및 그 장치에 관한 것이다.The present invention relates to a burr removing method and apparatus for removing welding burrs, etc., which are formed when welding a billet against each other during continuous rolling of steel bars, for example.
도 1은, 종래의 버어제거방법의 모식도.1 is a schematic diagram of a conventional burr removing method.
도 2는, 본 발명의 일례인 다각형 절삭엣지를 가진 절삭날을 사용한 버어제거방법의 모식도.2 is a schematic diagram of a burr removing method using a cutting edge having a polygonal cutting edge as an example of the present invention.
도 3은, 절삭날과 강편면의 위치관계를 나타내는 도.3 is a diagram showing a positional relationship between a cutting edge and a steel piece surface;
도 4A ~ 도 4E는, 본 발명의 일례인 원형 절삭엣지를 가진 절삭날을 사용한 버어제거방법의 모식도(측면도).4A to 4E are schematic diagrams (side views) of a burr removing method using a cutting edge having a circular cutting edge as an example of the present invention.
도 5A ~ 도 5E는, 각각 도 4A ~ 도 4E의 평면도.5A to 5E are plan views of FIGS. 4A to 4E, respectively.
도 6A, 도 6B는, 각각 도 4C, 도 4E를 상세히 설명하는 도.6A and 6B are diagrams for describing Figs. 4C and 4E in detail.
도 7A, 도 7B는, 원형 절삭엣지를 가진 절삭날과 버어의 위치관계를 설명하는 도.7A and 7B are diagrams for explaining a positional relationship between a cutting edge and a burr having a circular cutting edge;
도 8은 본 발명의 다른 실시예인 다각형 절삭엣지를 가진 절삭날을 사용한 버어제거방법의 모식도.8 is a schematic diagram of a burr removing method using a cutting edge having a polygonal cutting edge of another embodiment of the present invention.
도 9A ~ 도 9E는 본 발명의 또다른 실시예인 원형 절삭엣지를 가진 절삭날을 사용한 버어제거방법의 모식도(평면도).9A to 9E are schematic views of a burr removing method using a cutting edge having a circular cutting edge, which is another embodiment of the present invention.
도 10은, 도 9A ~ 도 9E에 있어서 2개의 절삭날의 버어길이방향에 따른 배치를 나타내는 도.Fig. 10 is a diagram showing an arrangement along the burr length direction of two cutting edges in Figs. 9A to 9E.
도 11A ~ 도 11G는 본 발명의 또다른 실시예인 원형 절삭엣지를 가진 절삭날을 사용한 버어제거방법의 모식도(평면도).11A to 11G are schematic views of a burr removing method using a cutting edge having a circular cutting edge, which is another embodiment of the present invention.
도 12는 본 발명의 일례인 버어제거장치의 모식도.12 is a schematic diagram of a deburring apparatus which is an example of the present invention.
도 13은 본 발명의 다른 실시예인 버어제거장치의 모식도이다.Figure 13 is a schematic diagram of a deburring apparatus which is another embodiment of the present invention.
본 발명의 목적은 강편의 버어절삭단부에 변형이 발생하지 않은 버어제거방법 및 그 장치를 제공하는 것이다.It is an object of the present invention to provide a burr removing method and a device in which deformation does not occur at the burr cutting end of a steel strip.
상기 목적은 절삭날을 절삭날의 벗어나는 면(이탈면)이 버어가 존재하는 강편의 면에 거의 평행이고, 절삭날의 절삭엣지와 버어가 교차하는 강편단부와의 이루는 각이 45°이상이 되도록 배치하고, 상기 절삭날을 버어의 길이방향에 따라 강편의 외측으로 향하도록 상대이동시켜 강편단부에 있는 버어를 절삭하는 공정을 가진 버어제거방법에 따라 달성된다. 절삭날로서 다각형 절삭엣지를 가진 절삭날을 사용한다면, 복수의 절삭엣지로 절삭가능하고 절삭날의 수명을 길게할 수 있다.The object is that the cutting edge of the cutting edge is substantially parallel to the surface of the steel piece where the burr is present, and the angle between the cutting edge of the cutting edge and the steel end portion where the bur intersects is 45 ° or more. And a burr removal method having a process of cutting the burr at the end of the steel piece by displacing the cutting edge relative to the outside of the steel piece in the longitudinal direction of the burr. If a cutting edge having a polygonal cutting edge is used as the cutting edge, it is possible to cut with a plurality of cutting edges and to prolong the life of the cutting edge.
다각형 절삭엣지의 변수를 무한으로 증가시킨 경우에 상당하는 원형 절삭엣지를 가진 절삭날을 사용하는 경우에는, 원형 절삭엣지를 가진 절삭날을, 절삭날의 벗어나는 면이 버어가 존재하는 강편의 면에 거의 평행이고, 한편 상기 버어에 대해서 하기 식(1)을 만족하도록 배치하고, 버어가 길이방향에 따라 강편외측으로 향하도록 상대이동시켜 강편단부에 있는 버어를 절삭하면 좋다.In the case of using a cutting edge having a circular cutting edge corresponding to an infinite increase in the variable of the polygon cutting edge, the cutting edge having a circular cutting edge is used for the surface of the steel piece where the burr is present. The burr at the end of the steel piece may be cut in such a manner that it is substantially parallel and arranged so as to satisfy the following formula (1) with respect to the burr, and the burr moves relative to the outside of the steel piece in the longitudinal direction.
R/2 + W/2 < △ < R-W/2 ... (1)R / 2 + W / 2 <△ <R-W / 2 ... (1)
여기서 W는 버어의 폭, R은 절삭날의 반경, △는 절삭날의 중심에서 버어의 폭중심까지의 최단거리이다.Where W is the width of the burr, R is the radius of the cutting edge, and? Is the shortest distance from the center of the cutting edge to the width center of the burr.
회전이 자유로운 원형 절삭엣지를 가진 절삭날을 사용하면, 구동력을 필요로하지 않고도 자연적으로 원형 절삭엣지인 다른부분으로 절삭가능하여 절삭날의 수명을 길게 할 수 있다.By using a cutting edge with a freely rotating circular cutting edge, it is possible to cut into other parts that are naturally circular cutting edges without requiring a driving force to extend the life of the cutting edge.
이상 서술한 방법으로는, 절삭날을 버어가 길이방향에 따라 버어를 상대이동시키나, 이하에 나타낸 방법처럼 버어의 길이방향에 직교하도록 버어와 상대이동시켜도 본 발명의 목적을 달성할 수 있다.In the above-described method, although the cutting edge moves the burr relatively in the longitudinal direction, the object of the present invention can be achieved by moving the burr relative to the burr so as to be orthogonal to the longitudinal direction of the burr as described below.
즉, 절삭날을 절삭날의 벗어나는 면(이탈면)이 버어가 존재하는 강판면에 거의 평행이고, 절삭날의 절삭엣지와 버어가 교차하는 강편단부와 이루는 각이 90°이하가 되도록 배치하며, 버어의 길이방향으로 직교하도록 상대이동시켜 강편단부에 있는 버어를 절삭하는 공정을 가진 버어제거방법에 의해서도, 변형의 발생없이 버어를 제거 할 수 있다.That is, the cutting edge is arranged so that the outward side (departure surface) of the cutting edge is substantially parallel to the steel plate surface in which the burr exists, and the angle between the cutting edge of the cutting edge and the steel end portion where the burr crosses is 90 ° or less, The burr can be removed without the occurrence of deformation by the burr removing method having a process of cutting the burr at the end of the steel piece by moving relative to orthogonally in the longitudinal direction of the burr.
위에서 서술한 것처럼, 절삭날로서 다각형 절삭엣지를 가진 절삭날을 이용하면 절삭날의 수명을 길게할 수 있다.As described above, by using a cutting edge having a polygonal cutting edge as the cutting edge, the life of the cutting edge can be extended.
또한, 원형 절삭엣지를 가진 절삭날을 이용하는 경우에는 원형 절삭엣지를 가진 절삭날을, 절삭날의 벗어나는 면이 버어가 존재하는 강편의 면에 거의 평행이고, 절삭날의 중심이 버어가 교차하는 강편단부의 외측으로 오도록 배치하며, 버어가 길이방향으로 직교하도록 상대이동시켜 강편단부에 있는 버어를 절삭하면 좋다.In addition, in the case of using a cutting edge having a circular cutting edge, the cutting edge having a circular cutting edge is substantially parallel to the surface of the steel piece where the burr exists, and the center of the cutting edge crosses the burr. The burr at the end of the steel piece may be cut by arranging it so as to come outward from the end and moving the burr so as to be perpendicular to the longitudinal direction.
위에서 기술한 것처럼, 회전이 자유로운 원형 절삭엣지를 가진 절삭날을 사용하면 절삭날의 수명을 길게할 수 있다.As described above, using cutting edges with freely rotating circular cutting edges can extend the life of the cutting edge.
본 발명인 절삭날을 버어의 길이방향에 따라 이동되는 버어제거방법은, 버어검출기와 원형 절삭엣지를 가진 2개의 절삭날과 버어검출기에 의한 버어검출신호에 따라서 절삭날을 버어에 접근시켜, 버어에 대한 하기 식(1)을 만족하도록 배치시킨 후 버어의 길이방향에 따라 이동되는 구동제어기구등을 가지며, 한편 2개의 절삭날이 강편을 끼우도록 대향하여 배치된 버어제거장치로부터 실현가능하다.The burr removing method of moving the cutting edge in the longitudinal direction of the burr in accordance with the present invention comprises bringing the cutting edge close to the burr according to the burr detection signal by the burr detector and the two cutting edges and the burr detector. It has a drive control mechanism and the like that is arranged to satisfy the following equation (1) for the following, and is moved along the longitudinal direction of the burr, and it is possible to realize from the burr removing apparatus arranged so that the two cutting edges to sandwich the steel pieces. .
R/2 + W/2 < △ < R-W/2 ... (1)R / 2 + W / 2 <△ <R-W / 2 ... (1)
여기서 W는 버어폭, R은 절삭날의 반경, △은 절삭날의 중심에서 버어의 폭중심까지의 최단거리이다.Where W is the burr width, R is the radius of the cutting edge, and Δ is the shortest distance from the center of the cutting edge to the width center of the burr.
또한, 절삭날을 버어의 길이방향으로 직교하도록 이동되는 버어제거방법은, 버어검출기와 2이상의 복수개의 절삭날과 버어검출기에 의한 버어검출 신호에 따라 절삭날을 버어에 접근시키는 구동제어기구등을 가지며, 한편 상기 복수개의 절삭날중 2개의 절삭날이 원형 절삭엣지를 가진 절삭날이고, 2개의 원형 절삭엣지를 가진 절삭날의 절삭날 중심이 버어가 교차하는 강편 양단부의 외측에 각각 오도록 배치된 버어제거장치에 의해 실현가능하다.In addition, a burr removing method in which the cutting edge is moved orthogonally in the longitudinal direction of the burr includes a burr detector, a plurality of cutting blades and a plurality of cutting edges, and a drive control mechanism for bringing the cutting edge close to the burr in accordance with the burr detection signal by the burr detector. Meanwhile, two cutting edges of the plurality of cutting edges are cutting edges having circular cutting edges, and the centers of the cutting edges of the cutting edges having two circular cutting edges are respectively positioned outside the ends of the steel pieces intersecting the burrs. It can be realized by the deburring device.
발명을 실시하기 위한 가장 좋은 형태는The best form for carrying out the invention
위에서 서술한 것처럼, 버어절삭시에 있어 변형은 절삭날의 절삭엣지가 강편단부에 있는 버어에 강편단부에서 외측으로 밀어내도록 힘을 가해 버어를 절삭하는 경우에 발생한다. 따라서 버어를 강편단부에서 외측으로 밀어내는듯한 힘은 아니고, 강편내부로 향하는 힘을 가하도록해서 버어를 절삭하면 변형의 발생을 방지할 수 있게 된다.As described above, in burr cutting, deformation occurs when the burr is cut by applying a force so that the cutting edge of the cutting edge pushes the burr out of the steel piece end outward. Therefore, the burr is cut by applying a force directed toward the inside of the steel piece rather than pushing the burr outward from the steel piece end to prevent the occurrence of deformation.
본 발명의 버어제거방법은 이 기본원리에 근거하고 있다. 따라서 본 발명은 강편단부에 있는 버어의 절삭방법이다. 강편내부에 있는 버어에 대해서는 본 발명에 따른 방법을 적용은 할 수 있으나 기타방법으로 절삭해도 본 발명의 효과가 손상되지 않는다.The deburring method of the present invention is based on this basic principle. Therefore, this invention is the cutting method of the burr in a steel piece end part. For the burr inside the steel piece, the method according to the present invention can be applied, but cutting by other methods does not impair the effect of the present invention.
실시형태 1Embodiment 1
도 2에 본 발명의 일례인 다각형 절삭엣지를 가진 절삭날을 사용한 버어제거방법을 모식적으로 나타낸다.Fig. 2 schematically shows a deburring method using a cutting edge having a polygonal cutting edge as an example of the present invention.
이 방법은 다각형 절삭엣지(42)를 가진 절삭날(41)을, 절삭날(41)의 벗어나는면(도2에서는, 절삭날의 아래면)이 버어가 존재하는 강편(1)의 면에 거의 평행이고, 버어(2)를 절삭하고 있는 다각형 절삭엣지(42)와 버어(2)가 교차하는 강편(1)단부와 이루는 각 α가 45°이상으로 되도록 배치하며 버어(2)의 길이방향에 따라 강편(1)의 외측으로 향하도록 이동시켜 강편(1)단부에 있는 버어(2)를 절삭하는 방법이다.In this method, the cutting edge 41 having the polygonal cutting edge 42 is almost cut to the surface of the steel piece 1 in which the burr's outward face (in Fig. 2, the bottom face of the cutting edge) is present. The angle α formed in parallel with the polygonal cutting edge 42 cutting the burr 2 and the end of the steel piece 1 in which the burr 2 intersects is 45 ° or more, and is arranged in the longitudinal direction of the burr 2. Therefore, the burr 2 at the end of the steel piece 1 is cut by moving it toward the outside of the steel piece 1.
버어(2)를 절삭하고 있는 다각형 절삭엣지(42)와 버어(2)가 교차하는 강편(1)단부와 이루는 각 α가 45°이상으로 되도록 해서 절삭하고 있으므로, 다각형 절삭엣지(42)에 걸리는 절삭반력 F의 분력인 강편(1)단부의 외측으로 향하는 가압하중 Fa를 강편(1)단부에 평행한 수직반력 Fb보다 작게 할 수 있다. 그 때문에 절삭된 버어(3)는, 강편(1)단부의 외측이 아니고 강편(1)내부로 밀어내는 것이 되어 변형이 발생하지 않는다.Since the angle α formed between the polygon cutting edge 42 cutting the burr 2 and the end of the steel piece 1 where the burr 2 intersects is set to 45 ° or more, the polygon cutting edge 42 The pressure load Fa directed toward the outside of the steel piece 1 end, which is the component force of the cutting reaction force F, can be made smaller than the vertical reaction force Fb parallel to the steel piece 1 end. Therefore, the burr 3 cut | disconnected is pushed inside the steel piece 1 rather than the outer side of the steel piece 1 end part, and distortion does not generate | occur | produce.
또한 절삭날(41)의 벗어나는 면을 버어(2)가 있는 강편(1)면에 거의 평행으로 할 때는 도 3에 나타낸 것처럼 절삭날(41)의 벗어나는 면(절삭날의 아래면)과 강편(1)면과의 각 β(이후 이탈각이라고 부른다.)를 1°∼ 5°로 설정하면 좋다. 또한 절삭면과 강판(1)면의 수직선과의 각 γ(이후 구조각이라고 부른다.)는 절삭저항이나 절삭날의 각 θ에 의존하는 절삭날의 수명을 고려하여 적절히 선택된다.In addition, when the outward side of the cutting edge 41 is made substantially parallel to the plane of the steel piece 1 with the burr 2, as shown in FIG. 3, the outward surface of the cutting edge 41 (lower surface of the cutting edge) and the steel piece ( 1) The angle β (hereinafter referred to as a departure angle) with the surface may be set to 1 ° to 5 °. The angle γ (hereinafter referred to as a structural angle) between the cutting plane and the vertical line of the steel sheet 1 surface is appropriately selected in consideration of the cutting resistance and the life of the cutting edge depending on the angle θ of the cutting edge.
또한 다각형 절삭엣지의 형상은 완전한 다각형일 필요는 없고, 각이 둥글게 되어 있다든가 절삭엣지가 다소 원호상으로 되어 있어도 본 발명의 효과는 얻을 수 있다. 원호상 절삭엣지의 경우는 원의 접선과 버어가 교차하는 강편단부와 이루는 각을 45°이상으로 하면 좋다.The shape of the polygonal cutting edge need not be a perfect polygon, and even if the angle is rounded or the cutting edge is somewhat arcuate, the effect of the present invention can be obtained. In the case of an arcuate cutting edge, the angle between the tangent of the circle and the end of the steel section where the burrs intersect may be 45 ° or more.
실시형태 2Embodiment 2
도 4A∼도 4E, 도 5A∼도 5E에, 본 발명의 일례인 원형 절삭엣지를 가진 절삭날을 사용한 버어제거방법을 모식적으로 나타낸다.4A-4E and 5A-5E show the burr removal method using the cutting edge with a circular cutting edge which is an example of this invention.
이 방법은 원형 절삭엣지를 가진 절삭날(11)을, 절삭날(11)의 벗어나는 면이 버어(2)가 존재하는 강편(1)면에 거의 평행으로 되도록 하고, 버어(2)의 길이방향에 따라 강편(1)외측으로 향하도록 이동시켜서 강편(1)단부에 있는 버어(2)를 절삭하는 방법이다.This method causes the cutting edge 11 having a circular cutting edge so that the outward side of the cutting edge 11 is substantially parallel to the surface of the steel piece 1 in which the burr 2 is present, and the burr 2 is in the longitudinal direction. According to this method, the burr 2 at the end of the steel piece 1 is cut by moving it toward the outside of the steel piece 1.
이때, 상기 식(1)을 만족하도록 하면 도 6A에 나타낸 것처럼, 절삭날(11)의 중심을 통하는 버어(2)와의 평행선으로부터 R/2이상의 거리에 있는 원형 절삭엣지에서 절삭하는 것으로 되어, 강편(1)단부의 외측으로 향하는 누름하중 Fa를 강편(1)단부에 평행한 수직반력 Fb보다 작게할 수 있다. 따라서 도 6B에 나타낸 것처럼 버어(2)가 절삭날(11)의 진행속도 Va에서 잘려질때, 절삭된 버어(3)은 자유공간이 아니라, 강편(1)면상의 Vd방향으로 향해 밀려지므로 변형이 발생하는 일은 없다.At this time, if the above formula (1) is satisfied, as shown in Fig. 6A, the cutting is performed at the circular cutting edge at a distance of R / 2 or more from the parallel with the burr 2 passing through the center of the cutting edge 11, (1) The push load Fa directed toward the outside of the end can be made smaller than the vertical reaction force Fb parallel to the end of the steel strip (1). Therefore, as shown in Fig. 6B, when the burr 2 is cut at the moving speed Va of the cutting edge 11, the cut burr 3 is pushed in the direction of Vd on the plane of the steel piece 1, not in free space, so that deformation is not achieved. Nothing happens.
상기의 식(1)은, 도 7A, 도 7B에 나타낸 원형 절삭엣지를 가지는 절삭날(11)과 버어(2)의 위치관계로부터 다음과 같이 유도된다. 즉 절삭날(11)의 중심에서 버어(2)의 폭중심까지의 최단거리 △은, 버어(2)를 완전하게 절삭하기 위해서는 (R-W/2)미만일 필요가 있고(도 7A 참조), 중심을 통하는 버어(2)와의 평행선에서 R/2이상의 거리에 있는 절삭엣지에서 절삭하기 위해서는 (R/2+W/2)를 넘을 필요가 있다(도 7B 참조). 따라서 R/2+W/2 < △ < R-W/2로 되어, 식(1)이 유도되어 진다.Equation (1) is derived from the positional relationship between the cutting edge 11 and the burr 2 having the circular cutting edge shown in Figs. 7A and 7B as follows. That is, the shortest distance △ from the center of the cutting edge 11 to the width center of the burr 2 needs to be less than (RW / 2) to completely cut the burr 2 (see FIG. 7A). It is necessary to exceed (R / 2 + W / 2) in order to cut at a cutting edge at a distance of R / 2 or more in parallel with the communicating burr 2 (see FIG. 7B). Therefore, R / 2 + W / 2 < DELTA < R-W / 2, whereby formula (1) is derived.
실시형태 3Embodiment 3
도 8에 본 발명의 다른 실시예인 다각형 절삭엣지를 가진 절삭날을 사용한 버어제거방법을 모식적으로 나타낸다.8 schematically illustrates a burr removing method using a cutting edge having a polygonal cutting edge according to another embodiment of the present invention.
이 방법은 다각형 절삭엣지(42)를 가진 절삭날(41)을 절삭날(41)의 벗어나는 면이 버어가 있는 강편(1)의 면에 거의 평행으로, 버어(2)를 절삭하고 있는 다각형 절삭엣지(42)와 버어(2)가 교차하는 강편(1)단부와 이루는 각 δ가 90°이하가 되도록 배치해서, 버어(2)의 길이방향에 직교하도록 이동시켜 강편(1)단부에 있는 버어(2)를 절삭하는 방법이다.In this method, the cutting edge 41 having the polygonal cutting edge 42 is cut in the polygonal cutting burr 2 almost parallel to the surface of the burr 1 where the outward side of the cutting edge 41 is burred. The burr at the end of the steel piece 1 is disposed so that the angle δ formed by the edge 42 and the end of the steel piece 1 where the burr 2 intersects is 90 ° or less, and is moved orthogonally to the longitudinal direction of the burr 2. (2) A method of cutting.
버어(2)를 절삭하고 있는 다각형 절삭엣지(42)와 버어(2)가 교차하는 강편 (1)단부와 이루는 각 δ가 90°이하가 되도록 하여 절삭하고 있으므로, 강편(1)단부에 있는 버어(2)는 강편(1)내부로 향해 밀리게 되는 것으로 되어 변형이 발생하는 일은 없다. 또한, 절삭날 강편면과의 위치관계나 다각형 절삭엣지의 형상은, 실시형태1의 경우와 같다.Since the angle δ formed between the polygonal cutting edge 42 cutting the burr 2 and the end of the steel piece 1 where the burr 2 intersects is cut at 90 ° or less, the burr at the end of the steel piece 1 is cut. (2) is pushed toward the inside of the steel strip 1, and deformation does not occur. The positional relationship with the cutting edge steel piece surface and the shape of the polygonal cutting edge are the same as those in the first embodiment.
실시형태 4Embodiment 4
도 9A∼도 9E에 본 발명의 다른 실시예인 원형 절삭엣지를 가진 절삭날을 사용한 버어제거방법을 모식적으로 나타낸다.9A to 9E schematically illustrate a burr removing method using a cutting edge having a circular cutting edge as another embodiment of the present invention.
이 방법은 원형 절삭엣지를 가진 2개의 절삭날(11a),(11b)을 절삭날 (11a),(11b)의 벗어나는 면이 버어(2)가 있는 강편(1)면에 거의 평행하게, 절삭날(11a),(11b)의 중심이 버어(2)가 교차하는 강편(1)양단부의 외측에 각각 별도로 오도록 배치하고, 강편(1)쪽을 버어(2)의 길이방향에 직교하도록 이동시켜서 강편(1)양단부에 있는 버어(2)를 절삭하는 방법이다.This method cuts two cutting edges 11a, 11b with circular cutting edges, with the outward faces of the cutting edges 11a, 11b almost parallel to the plane of the steel piece 1 with the burr 2. The centers of the blades 11a and 11b are placed separately on the outside of both ends of the steel piece 1 where the burrs 2 intersect, and the steel pieces 1 side are moved perpendicular to the longitudinal direction of the burr 2 by It is a method of cutting the burr (2) in the both ends of the steel piece (1).
2개의 절삭날(11a),(11b)의 중심이 버어(2)가 교차하는 강편(1)양단부 외측에 각각 별도로 오도록 배치되어 있으므로, 강편(1)양단부에 있는 버어(2)는 강편(1)내부로 밀려나오게 되어 변형이 발생하는 일은 없다.Since the centers of the two cutting edges 11a and 11b are disposed separately on both ends of the steel piece 1 where the burrs 2 intersect, the burrs 2 at both ends of the steel piece 1 are made of steel pieces 1. It is pushed out inside and deformation does not occur.
이때, 도 10에 나타낸 것처럼, 2개의 절삭날(11a),(11b)을 버어(2)가 길이방향에 따라 겹침부 σ가 되도록 배치하면 이 2개의 절삭날(11a),(11b)만으로 버어(2)를 완전히 제거할 수 있다.At this time, as shown in FIG. 10, if the two cutting edges 11a and 11b are arrange | positioned so that the overlap part (s) may become overlap part (s) along a longitudinal direction, it will burn only with these two cutting edges 11a and 11b. (2) can be removed completely.
도 11A∼도 11G는 원형 절삭엣지를 가진 3개의 절삭날(11a),(11b),(11c)을 사용한 방법이다. 도 9A∼도 9E의 경우와 같이 중심이 버어(2)가 교차하는 강편(1)양단부 외측에 각각 별도로 오도록 배치된 2개의 절삭날(11a),(11c)에 의해 강편(1)양단부에 있는 버어(2)가 변형의 발생이 없게 제거된다. 그래서 절삭날(11a)와 절삭날(11c)간에 각각의 절삭날과 겹치도록 배치한 절삭날(11b)를 사용하여 강편(1)의 폭방향중심 근처에 있는 버어(2)가 제거되므로 버어(2)는 완전히 제거된다.11A to 11G show a method using three cutting edges 11a, 11b, and 11c having circular cutting edges. As shown in Figs. 9A to 9E, two cutting edges 11a and 11c are arranged at the ends of the steel piece 1 so that the centers of the burrs 2 intersect the ends of the steel piece 1, respectively. The burr 2 is removed so that deformation does not occur. Thus, the burr 2 near the center of the width direction of the steel strip 1 is removed by using the cutting edge 11b disposed so as to overlap each cutting edge between the cutting edge 11a and the cutting edge 11c. 2) is completely removed.
실시형태 5Embodiment 5
도 12에 본 발명의 일례인 버어제거장치를 모식적으로 나타낸다. 이 장치는 원형 절삭엣지를 가진 2개의 절삭날(11a),(11b)을 강편(1)에 대향하는 면상에 있는 버어(2)에 대해 상기 식(1)을 만족하도록 배치하고, 버어(2)의 길이방향에 따라 상대 이동시켜 강편(1)의 버어(2)를 절삭하는 장치이다.12, the burr removal apparatus which is an example of this invention is shown typically. The apparatus arranges two cutting edges 11a, 11b with circular cutting edges so as to satisfy the above formula (1) with respect to the burr 2 on the surface opposite the steel piece 1, and the burr 2 It is an apparatus which cuts the burr 2 of the steel piece 1 by making it move relatively along the longitudinal direction of ().
절삭날(11a),(11b)의 버어(2)에 대한 상기의 식(1)을 만족하는 배치는, 강편(1)의 이동을 조정함에 의해 된다. 버어절삭시에는, 강편(1)는 정지하고 있고 절삭날(11a),(11b)이 동시에 강편(1)에 대향하는 면상에 있는 버어(2)의 길이방향에 따라 강편(1)의 일단에서 타단까지 이동한다. 따라서, 강편(1)단부의 버어(2)만 제거되는 것이 아니고 모든 버어(2)가 완전히 제거된다.The arrangement | positioning which satisfy | fills said Formula (1) with respect to the burr 2 of the cutting edges 11a and 11b is made by adjusting the movement of the steel strip 1. At the time of burr cutting, the steel piece 1 is stopped and at one end of the steel piece 1 along the longitudinal direction of the burr 2 in which the cutting edges 11a and 11b are simultaneously on the surface opposite to the steel piece 1. Move to the other end. Therefore, not only the burr 2 at the end of the steel piece 1 is removed, but all the burrs 2 are completely removed.
버어 검출기(50)에 의해 이동하는 강편(1)면상의 버어(2)가 검출되면, 버어검출신호가 구동제어기구(60)에 입력되어, 강편(1)에 직교하도록 배치된 베이스-플레이트(22)에 플랜지(27a),(27b)에 의해 가로로 설치되어 있는 액압실린더 또는 전동볼나사등으로 구성된 직동형 액츄에이터(26)가 작동하고, 직동형 액츄에이터(26)의 선단에 설치된 Y자상의 베이스 프레임(25)이 베이스 플레이트(22)위에 설치된 절삭용 가이드 레일(21a),(21b)에 따라 강편(1)방향으로 슬라이드 이동한다. 거기에 따라, Y자상의 베이스 프레임(25)의 선단에 절삭날 홀더(17a),(17b), 베어링 케이스(16a),(16b)를 끼워 설치된 절삭날(11a),(11b)이 버어(2)에 접근한다. 이때 절삭날(11a),(11b)이 버어(2)에 대해 상기 식(1)을 만족하는 위치에 강편(1)은 정지한다. 그후 직동형 액츄에이터(26)에 의해 절삭날(11a),(11b)이 버어(2)의 길이방향에 따라 이동하고 버어(2)를 절삭한다. 절삭날(11a),(11b)의 버어(2)에 대해 상기식 (1)을 만족하도록 배치되어 있으므로, 강편(1)단부에 있는 버어(2)는 변형이 발생되지 않고 절삭된다.When the burr 2 on the surface of the steel piece 1 moving by the burr detector 50 is detected, a burr detection signal is inputted to the drive control mechanism 60, and the base-plate disposed so as to be orthogonal to the steel piece 1 ( 22, a linear actuator 26 composed of a hydraulic cylinder or an electric ball screw installed horizontally by the flanges 27a and 27b is operated, and a Y-shaped element provided at the tip of the linear actuator 26 is operated. The base frame 25 slides in the direction of the steel strip 1 along the cutting guide rails 21a and 21b provided on the base plate 22. Thereby, cutting edges 11a and 11b provided by inserting the cutting edge holders 17a and 17b, the bearing cases 16a and 16b at the distal ends of the Y-shaped base frame 25 are cut off ( Approach 2). At this time, the steel strip 1 stops at the position where the cutting edges 11a and 11b satisfy | fill the said Formula (1) with respect to the burr 2. As shown in FIG. Thereafter, the cutting edges 11a and 11b are moved along the longitudinal direction of the burr 2 by the linear actuator 26 to cut the burr 2. Since it is arrange | positioned so that said formula (1) may be satisfied with respect to the burrs 2 of the cutting edges 11a and 11b, the burrs 2 in the edge part of the steel piece 1 are cut | disconnected without generating deformation.
여기서, 2개의 절삭날(11a),(11b)은 베어링을 끼워 회전할 수 있도록 베어링 케이스(16a),(16b)에 고정되어져 있고, 베어링 케이스(16a),(16b)상의 스톱퍼(15a)Here, the two cutting edges 11a and 11b are fixed to the bearing cases 16a and 16b so as to rotate by inserting the bearings, and the stoppers 15a on the bearing cases 16a and 16b.
,(15b)는 베어링이 베어링 케이스(16a),(16b)에서 빠져나오는 것을 방지하고 있다. 또한 베어링 케이스(16a),(16b)는 절삭날 홀더(17a),(17b)에 원하는 이탈각 β를 가지도록 고정되어 있고, 절삭날 홀더(17a),(17b)에는 절삭날(11a),(11b)의 원주면에 거의 접하는 상태에서 절삭찌꺼기 제거판(18a),(18b)이 설치되어져 있다.And 15b prevent the bearing from escaping from the bearing cases 16a and 16b. In addition, the bearing cases 16a and 16b are fixed to the cutting edge holders 17a and 17b so as to have a desired deviation angle β, and the cutting edge holders 17a and 17b have the cutting edges 11a and 17b. The chippings removal plates 18a and 18b are provided in the state almost contacting the circumferential surface of 11b.
절삭날(11a),(11b)은 베어링에 의해 회전이 자유로우므로, 구동력을 필요로 하지 않고 자연적으로 원형 절삭엣지의 다른 부분에서 절삭되어, 절삭날의 수명을 길게할 수 있다.Since the cutting edges 11a and 11b are freely rotated by the bearings, they can be naturally cut at other parts of the circular cutting edge without requiring a driving force, thereby extending the life of the cutting edges.
빌렛의 연속압연등에서 용접버어를 제거하는데에는 본 장치를 2대 연속적으로 설치하고, 각 장치를 빌렛의 이동에 동기해서 이동시키는 기구를 설치하면, 빌렛 4면에 형성된 모든 용접버어를, 빌렛을 이동시킨채로 절삭할 수 있다.To remove welding burrs in continuous rolling of billets, etc., two units of this apparatus are installed in succession, and a mechanism for moving each apparatus in synchronism with the movement of the billets is provided. All the welding burrs formed on the four sides of the billet are moved. Can be cut while letting.
실시예 6Example 6
도 13에 본 발명의 다른 실시예인 버어제거장치를 모식적으로 나타낸다.이 장치는 원형 절삭엣지를 가진 2개의 절삭날(11a),(11b)을, 절삭날(11a),Fig. 13 schematically shows an apparatus for removing burrs which is another embodiment of the present invention. The apparatus includes two cutting edges 11a and 11b having circular cutting edges, cutting edges 11a,
(11b)의 중심이 버어(2)가 교차하는 강편(1)양단부 외측에 각각 오도록 배치하고, 2개의 절삭날(11a),(11b)이 버어(2)의 길이방향으로 직교하도록 상대이동시켜 강편(1)의 버어(2)를 절삭하는 장치이다.The center of (11b) is arranged so as to be outside the ends of the steel piece (1) intersecting the burr (2), and the two cutting edges (11a, 11b) are moved relative to orthogonal to the longitudinal direction of the burr (2) It is an apparatus which cuts the burr 2 of the steel piece 1.
2개의 절삭날(11a),(11b)은, 미리 그 중심이 버어(2)가 직교하는 강편(1)양단부의 외측에 별도로 오도록 설정되어져 있고, 강편(1)의 폭방향에 대한 위치가 고정되어져 있다. 따라서 버어가 절삭되는 강편(1)의 폭은 항상 일정하다. 버어 절삭시에는, 절삭날(11a),(11b)이 하강하고, 강편(1)면 상에서 정지하며, 이동하고 있는 강편(1)의 버어(2)를, 버어(2)의 길이방향에 직교하는 방향에서 절삭한다. 또한, 2개의 절삭날(11a),(11b)은 버어(2)의 길이방향에 따라 겹침부가 생기도록 배치되어 있고, 강편(1)단부의 버어(2) 뿐만 아니라 모든 버어(2)가 완전히 제거된다.The two cutting edges 11a and 11b are previously set so that the center of the two cutting edges 11a and 11b may be separately outside the ends of the steel pieces 1 perpendicular to the burrs 2, and the position of the steel pieces 1 in the width direction is fixed. It is done. Therefore, the width | variety of the steel piece 1 in which a burr is cut | disconnected is always constant. At the time of burr cutting, the cutting edges 11a and 11b are lowered, stopped on the steel piece 1 surface, and the burr 2 of the moving piece 1 is orthogonal to the longitudinal direction of the burr 2. Cut in the direction of Moreover, the two cutting edges 11a and 11b are arrange | positioned so that an overlap part may arise along the longitudinal direction of the burr 2, and all burrs 2 as well as the burrs 2 of the end of the steel piece 1 are completely made. Removed.
버어검출기(50)에서 반송로울러(80)위를 이동하는 강편(1)면상의 버어(2)가 검출되면, 버어검출신호가 구동제어기구(60)에 입력되어, 강편(1)의 상부에 설치된 유압실린더(70)가 작동하고, 유압실린더(70)의 선단에 절삭날 홀더(17a),(17b)를 끼워 설치된 절삭날(11a),(11b)이 하강하며, 버어절삭에 바람직한 강편(1)면상의 위치에 정지한다. 강편(1)은 이동해 있으므로, 강편(1)상의 버어(2)는 절삭날 (11a),(11b)에 의해, 버어(2)의 길이방향으로 직교하는 방향에서 절삭된다. 절삭날(11a),(11b)은, 그 중심이 버어(2)가 교차하는 강편(1)양단부의 외측에 각각 오도록 배치되어 있으므로, 강편(1)단부에 있는 버어(2)는 변형이 발생되지 않고 절삭된다.When the burr 2 on the surface of the steel piece 1 moving on the conveyance roller 80 is detected by the burr detector 50, the burr detection signal is inputted to the drive control mechanism 60, and the upper part of the steel piece 1 is detected. The installed hydraulic cylinder 70 is operated, and the cutting edges 11a and 11b installed by inserting the cutting edge holders 17a and 17b at the tip of the hydraulic cylinder 70 are lowered, and the steel pieces suitable for burr cutting ( 1) Stop at the position on the surface. Since the steel piece 1 moves, the burr 2 on the steel piece 1 is cut by the cutting edges 11a and 11b in the direction orthogonal to the longitudinal direction of the burr 2. Since the cutting edges 11a and 11b are arrange | positioned so that the center may come in the outer side of the both ends of the steel piece 1 which the burrs 2 intersect, the burr 2 in the steel piece 1 end will generate a deformation | transformation. It is not cut.
여기서, 유압실린더(70)에의 기름공급은, 기름 탱크(73)로부터 유압 펌프(72)로 기름을 퍼내어 유압배관(71)을 경유해 이루어진다. 빌렛의 연속압연등에서 용접버어를 제거하는데는, 본 장치 4대를 각각의 절삭날의 빌렛의 4면에 대향하도록 연속적으로 설치하면, 빌렛의 4면에 형성된 모든 용접버어를 연속적으로 절삭할 수 있다.Here, the oil supply to the hydraulic cylinder 70 is made by pouring oil from the oil tank 73 to the hydraulic pump 72 via the hydraulic pipe 71. To remove the welding burrs from the continuous rolling of billets, etc., if four units of this apparatus are continuously installed to face the four sides of the billets of each cutting edge, all welding burrs formed on the four sides of the billets can be cut continuously. .

Claims (10)

  1. 절삭날을, 상기 절삭날의 벗어나는 면(이탈면)이 버어가 존재하는 강판의 면에 대하여 1°~5°경사지고, 상기 절삭날의 절삭엣지와 버어가 교차하는 강편단부와 이루는 각이 45°이상으로 되도록 배치하며, 상기 버어의 길이방향에 따라 강편의 외측으로 향하도록 상대이동시켜 강편단부에 있는 버어를 절삭하는 공정을 가지는 버어제거방법.The cutting edge of the cutting edge is inclined 1 ° to 5 ° with respect to the surface of the steel sheet in which the burr exists, and the angle formed by the cutting edge of the cutting edge and the steel end portion where the burr crosses is 45 degrees. The burr removal method which arrange | positions so that it may become more than degrees, and has a process of cutting the burr in a steel piece end part by moving relative to the outer side of a steel piece in the longitudinal direction of the said burr.
  2. 제1항에 있어서,The method of claim 1,
    상기 절삭날은 다각형 절삭엣지를 가지는 것을 특징으로 하는 버어제거방법.And said cutting edge has a polygonal cutting edge.
  3. 원형 절삭엣지를 가지는 절삭날을, 상기 절삭날의 벗어나는 면이 버어가 존재하는 강편의 면에 대하여 1°~5°경사지고, 한편 상기 버어에 대해서 하기의 식 (1)을 만족하도록 배치하고, 상기 버어의 길이방향에 따라 강편의 외측으로 향하도록 상대이동시켜 강편단부에 있는 버어를 절삭하는 공정을 가지는 버어제거방법 ;A cutting edge having a circular cutting edge is disposed so that the outward side of the cutting edge is inclined by 1 ° to 5 ° with respect to the surface of the steel piece in which the burr exists, while the burr satisfies the following formula (1), A burr removing method having a process of cutting the burr at the end of the steel piece by moving relative to the outside of the steel piece in the longitudinal direction of the burr;
    R/2 + W/2 < △ < R - W/2 ... (1)R / 2 + W / 2 <△ <R-W / 2 ... (1)
    여기서, W는 버어의 폭, R은 절삭날의 반경, △은 절삭날의 중심에서 버어의 폭중심까지의 최단거리이다.Where W is the width of the burr, R is the radius of the cutting edge, and? Is the shortest distance from the center of the cutting edge to the width center of the burr.
  4. 제3항에 있어서,The method of claim 3,
    상기 절삭날은, 회전이 자유로운 원형 절삭엣지를 가지는 것을 특징으로 하는 버어제거방법.The cutting edge, the burr removal method characterized in that it has a circular cutting edge free to rotate.
  5. 절삭날을, 상기 절삭날의 벗어나는 면이 버어가 존재하는 강편의 면에 대하여 1°~5°경사지고, 절삭날의 절삭엣지와 버어가 교차하는 강편단부와 이루는 각이 90°이하가 되도록 배치하고, 상기 버어의 길이방향에 직교하도록 상대이동시켜서 강편단부에 있는 버어를 절삭하는 공정을 가진 버어제거방법.The cutting edge is inclined by 1 ° to 5 ° with respect to the surface of the steel piece where the burr exists, and the angle formed by the cutting edge of the cutting edge and the steel end portion where the burr crosses is 90 ° or less. And cutting the burr at the end portion of the steel piece by moving relative to orthogonal to the longitudinal direction of the burr.
  6. 제5항에 있어서,The method of claim 5,
    상기 절삭날은, 다각형 절삭엣지를 가지는 것을 특징으로 하는 버어제거방법.And said cutting edge has a polygonal cutting edge.
  7. 원형 절삭엣지를 가진 절삭날을, 상기 절삭날의 벗어나는 면이 버어가 존재하는 강판의 면에 대하여 1°~5°경사지고, 상기 절삭날의 중심이 상기 버어가 교차하는 강편단부의 외측으로 오도록 배치하며, 상기 버어의 길이방향에 직교하도록 상대이동시켜 강편단부에 있는 버어를 절삭하는 공정을 가진 버어제거방법.The cutting edge having a circular cutting edge is inclined by 1 ° to 5 ° with respect to the surface of the steel plate in which the burr exists, and the center of the cutting edge is outside the steel end portion where the burrs cross. And a burr disposed at the end portion of the steel piece by moving relative to orthogonal to the longitudinal direction of the burr.
  8. 제7항에 있어서,The method of claim 7, wherein
    상기 절삭날은, 회전이 자유로운 원형 절삭엣지를 가지는 것을 특징으로 하는 버어제거방법.The cutting edge, the burr removal method characterized in that it has a circular cutting edge free to rotate.
  9. 버어검출기와, 원형 절삭엣지를 가진 2개의 절삭날과, 버어 검출기에 의한 버어검출신호에 따라 절삭날을 버어에 근접시켜 버어에 대해 하기의 식(1)을 만족하도록 배치시킨후, 버어의 길이방향에 따라 이동시키는 구동제어기구등을 가지며, 또한, 2개의 절삭날이 강편을 끼우도록 대향해서 배치된 버어제거장치 ;After the burr detector, two cutting edges with a circular cutting edge, and the burr detection signal by the burr detector are placed close to the burr so as to satisfy the following equation (1) for the burr, and then the length of the burr. A burr removing device having a drive control mechanism or the like for moving along the direction and disposed so as to face two cutting edges so as to sandwich the steel pieces;
    R/2 + W/2 < △ < R - W/2 ... (1)R / 2 + W / 2 <△ <R-W / 2 ... (1)
    여기서, W는 버어의 폭, R은 절삭날의 반경, △은 절삭날의 중심에서 버어폭 중심까지의 최단거리이다.Here, W is the width of the burr, R is the radius of the cutting edge, and Δ is the shortest distance from the center of the cutting edge to the center of the burr width.
  10. 버어검출기와, 2이상의 복수개의 절삭날과, 상기 버어검출기에 의한 버어검출신호에 따라 절삭날을 버어에 접근시키는 구동기구등을 가지고, 또한 상기 복수개의 절삭날중 2개의 절삭날이 원형 절삭엣지를 가진 절삭날이며, 상기 2개의 원형 절삭엣지를 가지는 절삭날의 중심이 버어가 교차하는 강편양단부의 외측에 각각 오도록 배치된 버어제거장치.A burr detector, a plurality of cutting edges of two or more, and a driving mechanism for bringing the cutting edge closer to the burrs in accordance with the burr detection signal by the burr detector; and two cutting edges of the plurality of cutting edges are circular cutting edges. And a burr removing device having a cutting edge having two circular cutting edges so that the centers of the cutting edges are respectively provided on the outer sides of the steel piece intersecting the burrs.
KR10-2000-7005023A 1998-11-24 1999-10-28 Burr removing method and apparatus KR100381613B1 (en)

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